31468986025 has 27 divisors (see below), whose sum is σ = 41471821669. Its totient is φ = 23682942080.

The previous prime is 31468986023. The next prime is 31468986041. The reversal of 31468986025 is 52068986413.

The square root of 31468986025 is 177395.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 736091161 + 30732894864 = 27131^2 + 175308^2 .

It is not a de Polignac number, because 31468986025 - 2¹ = 31468986023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31468986023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15077532 + ... + 15079618.

Almost surely, 2^31468986025 is an apocalyptic number.

31468986025 is the 177395-th square number.

31468986025 is the 88698-th centered octagonal number.

It is an amenable number.

31468986025 is a deficient number, since it is larger than the sum of its proper divisors (10002835644).

31468986025 is an frugal number, since it uses more digits than its factorization.

31468986025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 31468986025 in words is "thirty-one billion, four hundred sixty-eight million, nine hundred eighty-six thousand, twenty-five".